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Commit a8de6635 authored by Sascha Hauer's avatar Sascha Hauer Committed by Mauro Carvalho Chehab
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[media] ARM mx3_camera: check for DMA engine type 



We have two dma engines in MX3 systems: The IPU and the SDMA
engine. We have to check if we got a channel from the correct
engine before proceeding with a channel.

Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 4f52610e

drivers/media/video/mx3_camera.c

+4 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 


#include <mach/ipu.h>

#include <mach/mx3_camera.h>

#include <mach/dma.h>



#define MX3_CAM_DRV_NAME "mx3-camera"
@@ -638,6 +639,9 @@ static bool chan_filter(struct dma_chan *chan, void *arg) 
	struct dma_chan_request *rq = arg;

	struct mx3_camera_pdata *pdata;



	if (!imx_dma_is_ipu(chan))

		return false;



	if (!rq)

		return false;